221246278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{541}}^1\times {\mathrm{641}}^1$

素因数の和:1224

約数の個数: 32

約数和(自身を含む): 375801120

約数和(自身を除く): 154554842

約数列:

[1, 2, 11, 22, 29, 58, 319, 541, 638, 641, 1082, 1282, 5951, 7051, 11902, 14102, 15689, 18589, 31378, 37178, 172579, 204479, 345158, 346781, 408958, 693562, 3814591, 7629182, 10056649, 20113298, 110623139, 221246278]

約数ペア:

[(1, 221246278), (2, 110623139), (11, 20113298), (22, 10056649), (29, 7629182), (58, 3814591), (319, 693562), (541, 408958), (638, 346781), (641, 345158), (1082, 204479), (1282, 172579), (5951, 37178), (7051, 31378), (11902, 18589), (14102, 15689)]